nelson and oscar bostwigk



UNITED STATES PATENT OFFICE.

C. L. NELSON AND OSCAR BOSTWICK, OF BURLINGTON, VERMONT, ASSIGNORS TOTHEMSELVES AND N. B. PROCTOR, OF SAME PLACE.

WOOD-BENDING MACHINE.

Specicaton of Letters Patent No. 27,672, dated March 27, 1860.

To all whom it may concern:

Be it known that we, C. L. NELSON and OSCAR Bosiwlcn, both ofBurlington, Chittenden County, Vermont, have invented a new and ImprovedMachine for Bending YWood; and we do hereby declare that the followingis a full and exact description thereof, reference being had to theaccompanying drawings and to the letters of reference marked thereon.

The nature of our invention consists in the combination of feed-rollerswith plain forms for the purpose of bending wood and in the mannerspecified, as will be fully explained by reference to the drawings,where- A, A, represents the feed rollers.

Motion is applied to the shaft of the feed roller A, which being gearedto the shaft of A causes them to revolve toward each other and draw thetimber and form along which may be inserted between them.

S, S, represents screws working in connection with the boxes of theshaft A, by

means of which the wheel A may be thrown out of gear with A and sit atany distance from A in order to suit various sizes of timbers.

B represents a wheel hung to the guide C so as to press on the timberbeing fed. B is arranged to be raised and lowered by means of the setscrew d. Also the guide C may be adjusted by the screws c, 0.

H represents the clamp binding the timber to the form. The edges andsides of this clamp are to be squared, so that the clamp will maintainits position without slipping by the springing of the timber.

F represents a form, by which is shown the general design of forms whichare to be plain and rectangular.

E represents a stick of timber bent to the form F and held in its placeby the squared clamp I-I.

The action of the machine is as follows: The end of. form and stickbeing inserted between the feed rollers A, A', and clamped, the actionof the wheels draws the form and stick through after the mannerexhibited in the drawing.

I/Vhat we claim as our invention is 1. The use of feed-rollers incombination with plain forms, for the purpose and in the mannerspecified.

2. Ve claim the adjustable guide marked C in the drawing and adjustableroller B.

We disclaim the use of the iron strap marked B, having been in usebefore.

C. L. NELSON. OSCAR BOSTVICK.

Witnesses JOHN B. HOLLENBECK, WM. H. Boor.

